6555898560 has 112 divisors (see below), whose sum is σ = 21009839616. Its totient is φ = 1731873792.

The previous prime is 6555898553. The next prime is 6555898571. The reversal of 6555898560 is 658985556.

It is a self number, because there is not a number n which added to its sum of digits gives 6555898560.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70809 + ... + 134631.

Almost surely, 2^6555898560 is an apocalyptic number.

6555898560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6555898560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10504919808).

6555898560 is an abundant number, since it is smaller than the sum of its proper divisors (14453941056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6555898560 is a wasteful number, since it uses less digits than its factorization.

6555898560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63950 (or 63940 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 57.

The square root of 6555898560 is about 80968.5035059930. The cubic root of 6555898560 is about 1871.5901104186.

The spelling of 6555898560 in words is "six billion, five hundred fifty-five million, eight hundred ninety-eight thousand, five hundred sixty".